Added test for EXPLAIN for SQLite
All driver supported
Checking in changes prior to tagging of version 0.36.

Changelog diff is:

diff --git a/Changes b/Changes
index 0674b28..3c93067 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,10 @@ Revision history for Perl extension DBIx::QueryLog

 {{$NEXT}}

+0.36 2013-06-04T22:26:20Z
+    - Support EXPLAIN for SQLite (cho45++)
+    - Swtich lexical some variables to constant.
+
 0.35 2013-05-21T08:02:59Z
     - Repackaging